Knitter's Block Kit from CoCo Knits (CC-KBKit)

Kit includes:

18 interlocking, fiber-topped EVA foam tiles, each measures 12" × 12" (tiles from the new kit are compatible with older Knitter's Block tiles)
40 stainless steel T-pins
48" square cotton cloth woven with 1" square gingham to help measure your finished piece
A sturdy jute bag to contain the kit